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added floats.normalize()

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Irmen de Jong 2023-12-05 22:54:35 +01:00
parent ee782e92ac
commit 745d192563
3 changed files with 20 additions and 3 deletions
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7
compiler/res/prog8lib/c64/floats.p8
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@ -78,6 +78,7 @@ romsub $bf71 = SQR() clobbers(A,X,Y) ; fac1 = SQRT(fac1)
romsub $bf74 = SQRA() clobbers(A,X,Y) ; fac1 = SQRT(fac2)
romsub $bfed = EXP() clobbers(A,X,Y) ; fac1 = EXP(fac1) (e ** fac1)
romsub $bfb4 = NEGOP() clobbers(A) ; switch the sign of fac1 (fac1 = -fac1)
romsub $b8d7 = NORMAL() clobbers(A) ; normalize FAC1
romsub $e097 = RND() clobbers(A,X,Y) ; fac1 = RND(fac1) float random number generator
romsub $e264 = COS() clobbers(A,X,Y) ; fac1 = COS(fac1)
romsub $e26b = SIN() clobbers(A,X,Y) ; fac1 = SIN(fac1)
@ -176,6 +177,12 @@ asmsub parse_f(str value @AY) -> float @FAC1 {
}}
}
asmsub normalize(float value @FAC1) -> float @ FAC1 {
%asm {{
jmp floats.NORMAL
}}
}
%asminclude "library:c64/floats.asm"
%asminclude "library:c64/floats_funcs.asm"

12
compiler/res/prog8lib/cx16/floats.p8
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@ -72,10 +72,10 @@ romsub $fe6c = MOVAF() clobbers(A,X) ; copy fac1 to fac2
; X16 additions
romsub $fe6f = FADDH() clobbers(A,X,Y) ; fac1 += 0.5, for rounding- call this before INT
romsub $fe72 = ZEROFC() clobbers(A,X,Y) ; fac1 = 0
romsub $fe75 = NORMAL() clobbers(A,X,Y) ; normalize fac1 (?)
romsub $fe78 = NEGFAC() clobbers(A) ; switch the sign of fac1 (fac1 = -fac1) (juse use NEGOP() instead!)
romsub $fe75 = NORMAL() clobbers(A,X,Y) ; normalize fac1
romsub $fe78 = NEGFAC() clobbers(A) ; switch the sign of fac1 (fac1 = -fac1) (doesn't work, juse use NEGOP() instead!)
romsub $fe7b = MUL10() clobbers(A,X,Y) ; fac1 *= 10
romsub $fe7e = DIV10() clobbers(A,X,Y) ; fac1 /= 10 , CAUTION: result is always positive!
romsub $fe7e = DIV10() clobbers(A,X,Y) ; fac1 /= 10 , CAUTION: result is always positive! Have to restore sign manually!
romsub $fe81 = MOVEF() clobbers(A,X) ; copy fac1 to fac2
romsub $fe84 = SGN() clobbers(A,X,Y) ; fac1 = SGN(fac1), result of SIGN (-1, 0 or 1)
romsub $fe87 = FLOAT() clobbers(A,X,Y) ; FAC = (s8).A
@ -184,6 +184,12 @@ sub rndf() -> float {
}}
}
asmsub normalize(float value @FAC1) -> float @ FAC1 {
%asm {{
jmp floats.NORMAL
}}
}
%asminclude "library:c64/floats.asm"
%asminclude "library:c64/floats_funcs.asm"

4
compiler/res/prog8lib/virtual/floats.p8
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@ -157,4 +157,8 @@ sub clampf(float value, float minimum, float maximum) -> float {
return maximum
}
sub normalize(float value) -> float {
return value
}
}